Plz help if you can do all that would be great the one that starts with a -3 and then 0 its done

Use the data on the dot plot to answer the question. how many people read for more than three hours last week? i'm on a unit test review

Katie wants to collect over 100 seashells. she already has 34 seashells in her collection. each day, she finds 12 more seashells on the beach. katie can use fractions of days to find seashells. write an inequality to determine the number of days, dd, it will take katie to collect over 100 seashells.

Given the functions, f(x) = 2x^2 - 1 and g(x) = 5x, find f(g(x)) and g(f(